PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS16995-77Screw,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-00-051-8605 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-051-8605 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-051-8605. Primary manufacturer part number: MS16995-77.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Internal Drive Style: HEXAGON
  • Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS
  • Thread Quantity Per Inch: 16
  • Hardness Rating: 80.0 ROCKWELL B MINIMUM OVERALL
  • Head Style: FLAT CHAMFER
  • Surface Treatment: PASSIVATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 316 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-051-8605, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-051-8605
Primary Part NumberMS16995-77
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Fastener Length0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Internal Drive StyleHEXAGON
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Thread Quantity Per Inch16
Hardness Rating80.0 ROCKWELL B MINIMUM OVERALL
Head StyleFLAT CHAMFER
Surface TreatmentPASSIVATE OVERALL
Minimum Yield Strength30000 POUNDS PER SQUARE INCH LBS
Thread Class3A A
Head Height0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
Thread Length0.345 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Head Diameter0.550 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
Width Across Flats0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Nominal Thread Diameter0.375 INCHES IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
1650-00-386-86662505-2 INTERCHANGEABLE
Filtering Disk,fluid
Goodrich Corporation
5950-00-646-9812 INTERCHANGEABLE
Transformer,audio Frequency
5325-00-816-4239 INTERCHANGEABLE
Ring,retaining
1680-01-068-697825052 INTERCHANGEABLE
Window
Barksdale, Inc
6105-01-117-98432505-2 INTERCHANGEABLE
Motor,direct Current
Electric Boat Corporation Div General Dynamics Electric Boat
6150-01-171-4603ECI-14172 INTERCHANGEABLE
Bus,conductor
Mersen Usa Spm Corp.
5330-01-332-820025052 INTERCHANGEABLE
Gasket
Phoenix Products Llc Dba Phoenix Lighting Products Llc
4720-01-540-6264 INTERCHANGEABLE
Hose Assembly,nonmetallic
6515-01-582-149225052 INTERCHANGEABLE
Flixeme Graft
Atrium Medical Corporation
6110-01-697-355825052 INTERCHANGEABLE
Panel,power Distribution
Parker Hannifin Corporation Div Village Marine Tech
Cross-Reference Index
Part NumberManufacturer
25052 The Crosby Group Llc Dba the Crosby Group (USA)
5305PL0655929 Jednolity Indeks Materialowy - Uniform Material Index (POL)
MILS933TYPEC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
003-007868-077 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
MS16995-77 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS16995-77 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
1650-00-386-8666INTERCHANGEABLE
FILTERING DISK,FLUID
2505-2
5950-00-646-9812INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
5325-00-816-4239INTERCHANGEABLE
RING,RETAINING
1680-01-068-6978INTERCHANGEABLE
WINDOW
25052
6105-01-117-9843INTERCHANGEABLE
MOTOR,DIRECT CURRENT
2505-2
6150-01-171-4603INTERCHANGEABLE
BUS,CONDUCTOR
ECI-14172
5330-01-332-8200INTERCHANGEABLE
GASKET
25052
4720-01-540-6264INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6515-01-582-1492INTERCHANGEABLE
FLIXEME GRAFT
25052
6110-01-697-3558INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
25052

Frequently Asked Questions

What is NSN 5305-00-051-8605?

NSN 5305-00-051-8605 is a Screw,cap,socket Head, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-051-8605?

NSN 5305-00-051-8605 has 6 cross-referenced part numbers: 25052 (The Crosby Group Llc Dba the Crosby Group), 5305PL0655929 (Jednolity Indeks Materialowy - Uniform Material Index), MILS933TYPEC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 003-007868-077 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), MS16995-77 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5305-00-051-8605?

There are 10 known substitutes for 5305-00-051-8605: 1650-00-386-8666, 5950-00-646-9812, 5325-00-816-4239 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS16995-77?

Key specifications for MS16995-77: Fastener Length: 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Internal Drive Style: HEXAGON; Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS; Thread Quantity Per Inch: 16. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-051-8605 still in active supply?

NSN 5305-00-051-8605 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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